:root{--navy:#17324d;--navy2:#214968;--blue:#2563eb;--blue-dark:#1d4ed8;--bg:#f3f6f9;--line:#dfe6ed;--text:#172033;--muted:#64748b;--danger:#b42318}
*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{position:fixed;inset:0 auto 0 0;width:224px;background:var(--navy);color:#fff;padding:25px 16px;z-index:30}.brand{display:block;color:#fff;font-size:1.25rem;font-weight:800;padding:0 12px 25px}.brand:hover{text-decoration:none}.nav{display:grid;gap:5px}.nav a{color:#d8e4ec;padding:11px 13px;border-radius:8px;font-weight:600}.nav a:hover,.nav a.active{background:var(--navy2);color:#fff;text-decoration:none}.main-column{margin-left:224px;width:calc(100% - 224px)}.topbar{height:64px;padding:0 28px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:20}.topbar-title{font-weight:700}.user-menu{margin-left:auto;display:flex;align-items:center;gap:18px;color:var(--muted);font-size:.92rem}.user-menu form{margin:0}.link-button{border:0;background:transparent;color:var(--blue);padding:0;cursor:pointer}.menu-toggle{display:none;border:0;background:none;font-size:1.4rem;margin-right:10px}.page-content{max-width:1280px;margin:0 auto;padding:30px}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.page-heading h1{font-size:1.65rem;margin:0 0 6px}.page-heading p{margin:0;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:8px;padding:10px 17px;font-weight:700;cursor:pointer}.button:hover{text-decoration:none}.button-primary{background:var(--blue);color:#fff}.button-primary:hover{background:var(--blue-dark)}.button-secondary{background:#fff;color:var(--text);border-color:#cbd5e1}.button-danger{background:#fff1f2;color:var(--danger);border-color:#fecdd3}.button-block{width:100%}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;color:var(--text);box-shadow:0 5px 20px rgba(30,52,73,.04)}.stat-card:hover{text-decoration:none;border-color:#b8c8d7}.stat-card span{display:block;color:var(--muted);font-weight:600}.stat-card strong{display:block;font-size:2rem;margin-top:8px}.stat-warn strong{color:var(--danger)}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 5px 20px rgba(30,52,73,.04);margin-bottom:24px}.panel-heading{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.panel-heading h2{font-size:1.08rem;margin:0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px 16px;border-bottom:1px solid #edf1f5;text-align:left;white-space:nowrap}th{font-size:.83rem;color:var(--muted);background:#fafbfc}tr:last-child td{border-bottom:0}.number{text-align:right}.empty{text-align:center;color:var(--muted);padding:35px}.badge{display:inline-block;padding:4px 9px;border-radius:20px;background:#e2e8f0;color:#334155;font-size:.8rem;font-weight:700}.badge-unsent{background:#f1f5f9}.badge-sent{background:#dbeafe;color:#1d4ed8}.badge-paid{background:#dcfce7;color:#15803d}.badge-invalid{background:#fee2e2;color:#b91c1c}.alert{padding:13px 16px;border-radius:9px;margin-bottom:20px;border:1px solid}.alert-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}.alert-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.alert-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}.guest-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#edf4f8,#f8fafc)}.guest-shell{width:min(440px,calc(100% - 32px))}.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;box-shadow:0 18px 55px rgba(23,50,77,.1)}.login-heading{display:flex;align-items:center;gap:15px;margin-bottom:28px}.login-heading h1{font-size:1.35rem;margin:0 0 4px}.login-heading p{margin:0;color:var(--muted)}.logo-mark{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:1.35rem;font-weight:800}.login-card label{display:block;margin:17px 0 7px;font-weight:700;font-size:.92rem}.login-card input{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:11px 12px}.login-card input:focus{outline:3px solid #dbeafe;border-color:var(--blue)}.login-card .button{margin-top:24px}
@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.2s}.menu-open .sidebar{transform:none}.main-column{margin-left:0;width:100%}.menu-toggle{display:block}.page-content{padding:22px}.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.topbar{padding:0 15px}.user-menu>span{display:none}.page-heading{display:block}.page-heading .button{margin-top:15px}.stat-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:15px}.stat-card strong{font-size:1.5rem}.page-content{padding:16px}.login-card{padding:25px}}
.filter-panel{padding:15px 18px}.filter-form{display:flex;align-items:center;gap:12px}.filter-form>input{min-width:280px;flex:1}.check-label{white-space:nowrap}.form-panel{padding:24px}.form-panel h2{font-size:1.08rem;margin:0 0 20px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.field{min-width:0}.field.span-2{grid-column:span 2}.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px}.field label em{color:var(--danger);font-style:normal;font-size:.75rem}.field input,.field select,.field textarea,.filter-form>input{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:10px 11px;background:#fff}.field input:focus,.field select:focus,.field textarea:focus,.filter-form>input:focus{outline:3px solid #dbeafe;border-color:var(--blue)}.check-field{display:flex;align-items:end}.check-field input{width:auto}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-bottom:30px}
@media(max-width:650px){.filter-form{align-items:stretch;flex-direction:column}.filter-form>input{min-width:0}.form-grid{grid-template-columns:1fr}.field.span-2{grid-column:span 1}}
.filter-form select,.inline-form select{border:1px solid #cbd5e1;border-radius:8px;padding:10px;background:#fff}.field small{display:block;color:var(--muted);margin-top:5px}.item-table select,.item-table input{width:100%;min-width:110px;border:1px solid #cbd5e1;border-radius:7px;padding:9px}.item-table td:first-child{min-width:330px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.detail-card{padding:22px}.detail-card h2{margin:0 0 16px;font-size:1.05rem}.detail-card dl{display:grid;grid-template-columns:120px 1fr;gap:12px;margin:0}.detail-card dt{color:var(--muted)}.detail-card dd{margin:0}.action-row{display:flex;gap:8px}.inline-form{display:flex;gap:10px}.danger-zone{border-color:#fecaca}.danger-zone .button{margin-top:12px}
@media(max-width:700px){.detail-grid{grid-template-columns:1fr}.action-row{margin-top:14px;flex-wrap:wrap}}
.tabs{display:flex;gap:4px;overflow:auto;margin-bottom:20px;border-bottom:1px solid var(--line)}.tabs a{padding:10px 14px;color:var(--muted);white-space:nowrap;font-weight:700}.tabs a:hover{color:var(--blue);text-decoration:none}
.public-card p{line-height:1.7}.masked-email{background:#f1f5f9;border-radius:8px;padding:13px;text-align:center;font-weight:700;margin:18px 0}.document-list{display:grid;gap:10px;margin:20px 0}.public-note{font-size:.85rem;color:var(--muted)}
.wrap-cell{white-space:normal;min-width:240px;max-width:520px}details summary{cursor:pointer;color:var(--blue)}details form{margin:8px 0;display:flex;gap:6px}details input{border:1px solid #cbd5e1;border-radius:6px;padding:6px}
.verification-list{display:grid;grid-template-columns:110px 1fr;gap:12px;margin:20px 0}.verification-list dt{color:var(--muted)}.verification-list dd{margin:0;font-weight:700}